68817920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13441}}^1$

素因数の和:13466

約数の個数: 44

約数和(自身を含む): 165094644

約数和(自身を除く): 96276724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 13441, 26882, 53764, 67205, 107528, 134410, 215056, 268820, 430112, 537640, 860224, 1075280, 1720448, 2150560, 3440896, 4301120, 6881792, 8602240, 13763584, 17204480, 34408960, 68817920]

約数ペア:

[(1, 68817920), (2, 34408960), (4, 17204480), (5, 13763584), (8, 8602240), (10, 6881792), (16, 4301120), (20, 3440896), (32, 2150560), (40, 1720448), (64, 1075280), (80, 860224), (128, 537640), (160, 430112), (256, 268820), (320, 215056), (512, 134410), (640, 107528), (1024, 67205), (1280, 53764), (2560, 26882), (5120, 13441)]